JP2002250472A - Bracket for firm fixing of fixture - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a bracket for setting fixture that can obtain high airtightness and water tightness by minimizing the limitation to the welding point enabling a welding from one side, even if the face of a member to be mounted is changed and is complicated, but that is suited for automatic transfer. SOLUTION: The bracket 1 for setting the fixture is made of metallic material, that can be welded to the member to be mounted and is formed to the tube-like body, so that the stud welding can be done. A fitting hole 10 of the fixture is formed on one end of the tube-like body, the other end is turns into a welding face 7 for the member to be mounted, and the welding face 7 is formed extending over the entire circumferences of tube-like body so as to enable the welding to the member to be mounted.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a bracket for fixing a fixing member such as a clip or a screw including a tapping screw, which is fixed to a member to be mounted such as a vehicle body.

[0002]

2. Description of the Related Art In order to perform wiring and piping on a car body,
A brake pipe, a fuel pipe, or a wire harness is fixed by fixing a bracket to a vehicle body and attaching a fixing tool such as a clip, a screw, or a tapping screw to the bracket. Here, the bracket refers to a locking tool that locks a fixing tool such as a clip or a screw and supports the fixing tool. The most well-known bracket is a metal hat-shaped bracket having a hat shape in cross section, which is fixed to the vehicle body by welding. Hat-type brackets are easy to make, but may not conform to the car body surface with many changes and complicated shapes. Is unsuitable, which limits the automation of welding work. Japanese Utility Model Laid-Open No. 7-10669 and Japanese Utility Model Laid-Open No. 7-106.
No. 70 discloses the above hat-type bracket,
A bracket that solves the above problem is disclosed.
The bracket disclosed in Japanese Utility Model Laid-Open Publication No. Hei 7-10669 is formed in a square pipe shape, and a projection is provided on a welding surface so that welding can be ensured by conforming to a vehicle body surface having many changes and a complicated shape. The bracket disclosed in Japanese Utility Model Laid-Open No. 7-10670 is formed in a metal cylindrical body, and a plurality of projections are provided at a fixed interval at an end on a welding surface side, and welded to a vehicle body or the like.
Automatic feeding is enabled.

[0003]

SUMMARY OF THE INVENTION
The bracket of No. 669 is not suitable for automatic feeding because of its square pipe shape. In that respect,
The 10670 bracket is suitable for automatic feeding.
However, a plurality of projections for welding are provided at regular intervals, and in order to carry out projection welding of those parts, which is a kind of resistance welding, the welding end portion of the bracket after welding is limited to the projection part only on the vehicle body. Etc., and airtightness and watertightness cannot be obtained. In addition, since resistance welding is used, it is necessary to conduct electricity through the electrodes while applying a high pressing force from both sides of the vehicle body, and there are restrictions on welding locations.

Accordingly, an object of the present invention is to enable welding even if the surface of a member to be mounted such as a vehicle body is complicated due to its change, is also suitable for automatic feeding, can be welded from one side, and It is an object of the present invention to provide a bracket capable of achieving high airtightness and watertightness by minimizing restrictions on the bracket.

[0005]

SUMMARY OF THE INVENTION In order to achieve the above object, the present invention provides a fixing device which is fixed to a member to be mounted such as a vehicle body and can fix a fixing device such as a clip or a screw including a tapping screw. A locking bracket, made of a metal material that can be welded to the member to be mounted, and formed in a tubular body so as to enable stud welding, and one end of the tubular body to which the fixing tool is connected. A stop means is formed, and the other end is a welding surface to the attached member, and the welding surface is formed on a surface that can be welded to the attached member over the entire periphery of the end of the tubular body. A bracket for fixing the fastener. According to this bracket, it is composed of a metallic tubular body that can be stud welded, so it is also suitable for automatic feeding, and it is possible to weld from one side even if the surface of the attached member such as the car body changes and it is complicated The welding surface is formed on a surface that can be welded to the attached member over the entire periphery of the end of the cylindrical body, so that high airtightness and watertightness are achieved. Get.

In the above bracket, the entire bracket is formed as a thin cylindrical body, and a flange extending radially outward over the entire circumference is formed at the end on the welding surface side. It forms the end face of the tubular body and forms the welding surface. Alternatively, the entire bracket may be formed as a thick cylindrical body, and the end surface on the welding surface side may be formed as a flat surface over the entire circumference so as to form the welding surface. Further, the end portion on the welding surface side is subjected to curling processing which is turned outwardly in the radial direction toward the opposite end portion over the entire circumference, and the end surface of the curled portion forms the welding surface. May be.

In the various brackets described above, the fixing means of the fixing tool is a burring hole for a screw or a tapping screw. The burring hole edge,
It may be formed in a spiral shape as a screw thread for receiving a screw or a tapping screw. Further, the cylindrical body is preferably formed in a cylindrical shape. It is preferable that a relief hole for paint or the like is formed in the cylindrical body adjacent to the welding surface.

[0008]

BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, embodiments of the present invention will be described.
This will be described with reference to the drawings. A bracket 1 according to a first embodiment of the present invention is shown in FIGS. FIG. 2 shows a state in which the bracket 1 of FIG. 1 is welded to a member to be mounted such as a vehicle body 2. FIG. 3 shows a state where the mounting member 3 such as a decorative panel is placed on the bracket 1 welded to the vehicle body 2 and the clip 5 in the form of a plastic bolt is locked to the bracket 1 so that the mounting member 3 is mounted on the vehicle body 2. Is shown.

In FIG. 1, a bracket 1 is made of a metal material that can be welded to a vehicle body 2 as a member to be mounted. For example, the bracket 1 is formed by pressing (for example, drawing or cold heading) using a galvanized steel sheet as a material.
It is formed in a cylindrical body. Since the bracket is formed in the cylindrical body in this manner, automatic feeding to the welding machine can be performed very easily and reliably, similarly to automatic feeding of studs and bolts. When the bracket 1 is welded to a member to be mounted such as the vehicle body 2, the bracket 1 is formed in a tubular body, so that stud welding can be performed, and welding work can be performed from one side of the vehicle body 2. The welding margin may be small as compared with, for example, spot welding or CO2 welding. Further, when the bracket 1 is formed from a galvanized steel plate, a plating process after the forming is not required as in the case of a conventional forged product. The shape of the bracket 1 may be a rectangular tube as long as it is a cylindrical body. However, the bracket 1 is formed in a cylindrical shape for ease of processing and easy handling. At one end (upper end) of the cylindrical bracket 1, a locking hole 6 as locking means is formed for locking the clip 5 as a fixing tool.

The other end (lower end) of the bracket 1 is a welding surface to the vehicle body 2. In the bracket 1 of the first embodiment, a thin steel plate is pressed to reduce the weight. As described above, since the entire bracket 1 is formed as a thin-walled cylindrical body, in order to secure a sufficient welding margin, the end on the welding surface side extends radially outward over the entire circumference. A flange 7 is formed. The surface of the flange 7 forming the welding surface of the bracket 1 extends over the entire periphery of the end of the cylindrical bracket 1, and the entire periphery of the vehicle body 2
Is formed as a surface that can be welded to the surface. Therefore, the welding surface of the cylindrical bracket 1 is welded to the vehicle body over the entire circumference, and if the locking hole 6 is closed, the inside can be made highly airtight and watertight. Therefore, even in a harsh environment on the bottom surface of the vehicle body, it is possible to prevent water or the like entering the inside of the bracket 1 and prevent corrosion due to rust or the like inside. Therefore, the bracket 1 only needs to be rust-proofed on its outer surface.

In FIG. 2, a bracket 1 is welded to a vehicle body 2 by a stud welding device. The welded portion 9 is formed continuously over the entire circumference of the flange 7, and as described above, the inside of the bracket 1 can be made highly airtight and watertight. In FIG. 3, the mounting member 3 is arranged on the bracket 1 welded to a predetermined portion of the vehicle body 2 with the mounting hole 10 aligned with the locking hole 6 of the bracket 1. , A plastic bolt-shaped clip 5 is inserted, and the
To be locked. By this locking, the mounting member 3 is mounted on the vehicle body 2. Since the clip 5 can be removed from the bracket 1 by rotating the clip 5, the mounting member 3 can be easily removed from the vehicle body 2.

FIGS. 4 and 5 show a bracket 11 according to a second embodiment of the present invention. This bracket 11
When compared with the bracket 1 according to the first embodiment, is the same in material and processing method, but is formed to be thicker. Also in the shape, the bracket 11 is
It is the same in that it is formed in the same cylindrical shape as the above, and the upper end is provided with a locking hole 6 for locking a fastener such as a clip or a screw. There is no. In the case of the bracket 11, the lower end surface of the cylindrical body is formed to be a flat surface over the entire circumference so as to form the welding surface 12. FIG. 5 shows a state after welding of the bracket 11. A welded portion 13 is formed on the entire welding surface of the bracket 11 to make the inside of the bracket 11 highly airtight and watertight. Bracket 1
Since No. 1 does not require a flange, processing is easy, and manufacturing cost can be reduced. Therefore, it is suitable for places where weight reduction is not required. In this manner, the bracket according to the present invention can be selectively used with or without a flange according to needs.

FIG. 6 shows a bracket 14 according to a third embodiment.
Is shown. The bracket 14 is substantially the same as the bracket 11 of the second embodiment, except that a locking hole 15 serving as a locking means of the fixing tool is a burring hole for receiving a screw or a tapping screw. Is different.
In other respects, it is the same as the bracket 11 of the second embodiment. The locking hole 15 can be applied to the bracket 1 of the first embodiment. In that case, the rest is the same as the bracket 1 according to the first embodiment. By forming the locking hole 15 as a burring hole in this manner, for example, when a tapping screw is screwed in, the engagement area increases and the locking force can be increased.

The bracket 17 of the fourth embodiment shown in FIG. 7 has a locking hole 18 obtained by further modifying the locking hole 15 of the bracket 14 of the third embodiment. The edge of the locking hole is formed in a spiral shape as a screw thread for receiving a screw or a tapping screw. In other respects, it is the same as the bracket 11 of the second embodiment. The locking hole 18 can be applied to the bracket 1 of the first embodiment. In that case, in other respects,
This is the same as the bracket 1 according to the first embodiment. By forming the spiral-shaped locking hole in this way, not only the tapping screw but also a normal screw can be locked, and the range of application of the fixing tool can be expanded.

The bracket 19 of the fifth embodiment shown in FIG. 8 is a modification of the bracket 1 of the first embodiment. Bracket 1
In comparison with the bracket 1, the end on the welding surface side is curled so as to be turned radially outward toward the end on the opposite side over the entire circumference, and the turned-up portion 21 is turned into the cylindrical bracket 19. Is formed over the entire periphery of the lower end of the bracket 1, and is otherwise the same as the bracket 1. The end face of the folded portion 21 of the bracket 19 is
2, which is a surface that can be welded to the vehicle body over the entire circumference of the cylindrical bracket 19. By forming the folded portion 21 in this manner, a margin for welding can be ensured without overhanging like a flange, and the strength of the bracket end can be enhanced. The locking hole 6 of the bracket 19 is
The shape of the locking hole 15 of the bracket 14 and the shape of the bracket 17
The shape of the locking hole 18 can also be used. Further, it is preferable to use a press curling process in order to form the bracket 19, and in this case, a seam 23 is formed.

The bracket 25 of the sixth embodiment shown in FIG. 9 is a modification of the bracket 1 of the first embodiment. On the side surface of the cylindrical main body of the cylindrical bracket 25, for example, a relief hole 26 for paint or the like when performing electrodeposition coating is formed. More specifically, as shown in FIG. 9A, the escape hole 26 is formed at a position near the end opposite to the locking hole 6, that is, at a position adjacent to the flange 7 serving as a welding surface. As shown in FIG. 9 (B), a plurality (four in the illustrated example) are formed at equal intervals in the circumferential direction of the cylindrical portion. FIG. 9C shows the vehicle body 2
2 shows a state where the flange 7 is welded. After welding the brackets, the body is often electrodeposited. Although the bracket 26 is also electrodeposited by the electrodeposition coating, at this time, the paint that has entered the bracket 25 is discharged from the locking hole 6 by the escape hole 26, so that the paint is accumulated in the bracket 25. Can be prevented. The escape hole 26 can prevent not only the discharge of paint but also the storage of other liquids. Further, it is possible to discharge dust and the like inside by using the escape hole 26. Such relief holes can also be provided in brackets of other embodiments shown in FIG. 4 and thereafter.

[0017]

According to the bracket of the present invention, since the bracket is formed of a metallic tubular body which can be stud welded, it is also suitable for automatic feeding, and the surface of a member to be mounted such as a car body is changed, and the bracket is complicated. However, welding from one side is possible, minimizing restrictions on the welding location, and the welding surface is formed on a surface that can be welded to the attached member over the entire periphery of the end of the cylindrical body. , High airtightness and watertightness can be obtained.

[Brief description of the drawings]

1A and 1B show a bracket according to a first embodiment of the present invention, wherein FIG. 1A is a perspective view of the bracket, and FIG. 1B is a longitudinal sectional view of the bracket.

FIG. 2 is a perspective view showing a state in which the bracket of FIG. 1 is welded to a vehicle body.

FIG. 3 is a cross-sectional view showing a state in which a mounting member is attached to a vehicle body using the bracket and the clip that is engaged with the bracket in FIG. 1;

4A and 4B show a bracket according to a second embodiment of the present invention, wherein FIG. 4A is a perspective view of the bracket, and FIG. 4B is a longitudinal sectional view of the bracket.

FIG. 5 is a front view showing a state where the bracket of FIG. 2 is welded to a vehicle body.

6A and 6B show a bracket according to a third embodiment of the present invention, wherein FIG. 6A is a perspective view of the bracket, and FIG. 6B is a longitudinal sectional view of the bracket.

7A and 7B show a bracket according to a fourth embodiment of the present invention, wherein FIG. 7A is a perspective view of the bracket, and FIG. 7B is a longitudinal sectional view of the bracket.

8A and 8B show a bracket according to a fifth embodiment of the present invention, wherein FIG. 8A is a perspective view of the bracket, and FIG. 8B is a longitudinal sectional view of the bracket.

9A and 9B show a bracket according to a sixth embodiment of the present invention, wherein FIG.
(B) is a plan view of the bracket, and (C) is a front view of the bracket welded to the vehicle body.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Bracket 2 Body 3 Mounting member 5 Clip 6 Locking hole 7 Flange 9 Welding part 10 Mounting hole of mounting member 11 Bracket 12 Welding surface 13 Welding part 15 Locking hole 17 Bracket 18 Locking hole 19 Bracket 21 Folding part 22 Welding surface 23 Seam 25 Bracket 26 Release hole

 ────────────────────────────────────────────────── ─── Continuing on the front page (72) Inventor Hideaki Nakanishi Hosoda, Noyori-cho, Toyohashi-shi, Aichi (No address) F-term within Poprivet Fastener Co., Ltd. 3H023 AA04 AA05 AB01 AC21 AD01 AD54 AD55 AE06

Claims (8)

[Claims] 1. A fixing device fixing bracket fixed to a member to be mounted such as a vehicle body and capable of locking a fixing member such as a screw including a clip and a tapping screw, and capable of being welded to the member to be mounted. It is formed of a metal material, and is formed in a cylindrical body so that stud welding can be performed. One end of the cylindrical body is provided with a locking means for the fixing tool, and the other end is formed on the member to be attached. A bracket for fixing fasteners, wherein the bracket is a welding surface, and the welding surface is formed on a surface that can be welded to the attached member over the entire circumference of the end of the tubular body. 2. The bracket according to claim 1, wherein
The whole bracket is formed as a thin cylindrical body,
A flange extending radially outward over the entire circumference is formed at the end on the welding surface side, and the flange forms the end surface of the tubular body and forms the welding surface. Bracket to do. 3. The bracket according to claim 1, wherein
The whole bracket is formed as a thick cylindrical body,
A bracket, wherein an end surface on the welding surface side is formed as a flat surface over the entire circumference so as to form the welding surface. 4. The bracket according to claim 1, wherein
The end on the welding surface side has been subjected to curling which is turned radially outward toward the opposite end over the entire circumference, and the end surface of the curled portion forms the welding surface. A bracket characterized in that: 5. The bracket according to claim 1, wherein the locking means of the fastener is a burring hole for a screw or a tapping screw. bracket. 6. The bracket according to claim 5, wherein
The burring hole edge is formed in a spiral shape as a screw thread for receiving a screw or a tapping screw or the like. 7. The bracket according to claim 1, wherein the tubular body has a cylindrical shape. 8. The bracket according to claim 1, wherein the tubular body is provided adjacent to the welding surface.
A bracket having a relief hole for paint or the like.